Santa Bárbara d’Oeste pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Santa Bárbara d’Oeste is low; cypress and willow are low.
Pollen Tomorrow
Tomorrow (21 September 2026) willow remains low, cypress increasing.
7-Day Trend
Over the next week cypress and willow will decrease; grass will remain stable.
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Features and forecast availability vary by region.
Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | Low | 23/100 |
| Grass (Poaceae) | None | 0/100 |
| Willow (Salicaceae) | Low | 20/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | Moderate | 26/100 | |
| Grass (Poaceae) | None | 0/100 | |
| Willow (Salicaceae) | Low | 20/100 |
Local Environmental Conditions
Santa Bárbara d'Oeste extends through the São Paulo interior Campinas metropolitan region, where eucalyptus, sugarcane vegetation, and native cerrado remnants are the main pollen sources. The tropical highland climate produces a more defined pollen season, with the dry season from May to September concentrating pollen dispersal and the wet season bringing frequent rainfall interruptions throughout this Campinas metropolitan industrial municipality.
In Santa Bárbara d’Oeste, pollen exposure builds through the dry months of May to September as eucalyptus and native cerrado remnants pollen spreads freely, while the return of rain afterward regularly interrupts dispersal.
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Frequently Asked Questions About Pollen in São Paulo
Is pollen high in Santa Bárbara d’Oeste right now?
On 20 September 2026, overall pollen levels in Santa Bárbara d’Oeste are low. Cypress is the main contributor to airborne pollen, while willow remain at lower levels
Will pollen levels change in Santa Bárbara d’Oeste tomorrow?
On 21 September 2026, pollen conditions in Santa Bárbara d’Oeste will be different from today, with willow at low levels and cypress increasing
Is pollen expected to decrease in Santa Bárbara d’Oeste this week?
According to the five-day outlook, cypress and willow pollen levels are expected to gradually decrease, suggesting improving conditions later in the week.
Which pollen types are currently active in Santa Bárbara d’Oeste?
On 20 September 2026, Cypress is the dominant pollen source in Santa Bárbara d’Oeste. willow are also present but at lower levels. grass are not currently active.
When is pollen season in Santa Bárbara d’Oeste?
How often is the Santa Bárbara d’Oeste pollen forecast updated?
The Santa Bárbara d’Oeste pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Santa Bárbara d’Oeste come from nearby or far away?
Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.
Are pollen levels in Santa Bárbara d’Oeste based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Santa Bárbara d’Oeste, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Understanding the Scale
The 0–100 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
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Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
